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NPT · Marine Adhesives & Sealants
U-Seal 500
A multipurpose polyurethane adhesive and sealant for flexible marine and industrial joints. It bonds mixed materials and seals horizontal or vertical joints while accommodating movement and damping vibration.
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View documentation 4 files & links ↓Key features
- Moisture-curing, gun-applied paste resists sagging
- Withstands impact and reduces sound transmission
- Suitable for bonding metals, plastics and glass after appropriate preparation
- Resists weathering, sea water and cleaning agents; test paint compatibility
Specifications
| Chemistry | One-component polyurethane |
|---|---|
| Movement capability | ±25% |
| Manufacturer certification | EN 15651-1/4, Type F and PW for internal/external applications |
| Manufacturer compliance | ISO 11600 F 25 HM; refer to the technical sheet |
| Shore A hardness | Approx. 38 |
| Skin time | Approx. 50 minutes at 23°C / 50% RH |
| Cure depth in 24 hours | Approx. 2.3 mm at 23°C / 50% RH |
| Tensile strength | Approx. 1.7 N/mm² |
| Elongation at break | Approx. 570% |
| Application temperature | +5°C to +40°C |
Product resources
Documentation
Manuals, technical information and catalogues for U-Seal 500.
Product documents & support
U-Seal 500 — Technical data sheet (PDF)NPT technical sheet · English · TDS2021 eng ver 5.0 (274 KB)Download PDF ↓
NPT manufacturer product pageOfficial product information and latest updatesNPT safety data portal — login requiredManufacturer account required. Contact Custom Marine to request the current product SDS.Brand catalogue
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